Assembly jig and assembly method of backlight module

Abstract

The invention discloses an assembly jig and an assembly method of a backlight module, the backlight module comprises a lamp panel and a reflector plate which are bonded with each other, the assembly jig comprises a jig body, a first positioning part and a second positioning part, and the jig body is used for bearing the reflector plate; the first positioning part is arranged on the jig body and used for positioning the reflector plate, and the second positioning part is arranged on the jig body and used for positioning the lamp panel when the lamp panel is bonded to the reflector plate borne by the jig body. According to the jig, the reflector plate can be positioned through the first positioning part to be placed on the jig body, then the lamp panel is positioned through the second positioning part and pasted to the reflector plate borne by the jig body, and then the reflector plate and the lamp panel are accurately attached.

Description

Technical Field

[0001] This application relates to the field of display technologies, and particularly to an assembly jig and an assembly method for a backlight module. Background Art

[0002] As one of the important components of a display device, a backlight module includes a lamp board for illuminating the screen of the entire display device through the light generated by the lamp board. The backlight module further includes a reflector, which is bonded to the light-emitting side of the lamp board to improve the light-emitting brightness of the backlight module.

[0003] In related technologies, the reflector is usually manually pasted onto the lamp board by an operator. However, the reflector itself has a large area and is relatively soft, resulting in difficulty for the operator to align and fit the reflector with the lamp board during the pasting process. Summary of the Invention

[0004] Embodiments of this application provide an assembly jig and an assembly method for a backlight module to facilitate the assembly of the reflector and the lamp board.

[0005] In a first aspect, embodiments of this application provide an assembly jig for a backlight module. The backlight module includes a lamp board and a reflector bonded to each other. The assembly jig includes:

[0006] A jig body for carrying the reflector;

[0007] A first positioning member disposed on the jig body for positioning the reflector; and

[0008] A second positioning member disposed on the jig body for positioning the lamp board when the lamp board is bonded to the reflector carried by the jig body.

[0009] In some embodiments, the first positioning member includes a positioning pin for passing through a first positioning hole on the reflector to position the reflector.

[0010] In some embodiments, the jig body includes a carrying surface for carrying the reflector;

[0011] The positioning pin includes an elastic telescopic member that protrudes from the carrying surface in a telescopic manner.

[0012] In some embodiments, the number of the first positioning members is at least four, so that each corner of the outer periphery of the reflector can be positioned by at least one of the first positioning members; and / or

[0013] The number of the first positioning components is at least four, and all the first positioning components are respectively arranged at different corners of the jig body.

[0014] In some embodiments, the second positioning component extends along the outer peripheral edge of the jig body, and the second positioning component protrudes from a side surface of the jig body for carrying the reflective sheet, so as to cooperate and position with an outer peripheral side surface of the light guide plate.

[0015] In some embodiments, the number of the second positioning components is multiple, and the multiple second positioning components are arranged at intervals along the outer peripheral edge of the jig body; and / or,

[0016] The number of the second positioning components is multiple, and the second positioning components are arranged at the corners of the outer peripheral edge of the jig body.

[0017] In some embodiments, the second positioning component extends along the outer peripheral edge of the jig body to define a fitting space for accommodating at least part of the reflective sheet and at least part of the light guide plate, and at least part of the first positioning component is located in the fitting space.

[0018] In some embodiments, the jig body includes a bearing surface for bearing the reflective sheet;

[0019] The jig body further includes an avoidance hole, and an orifice of the avoidance hole is opened on the bearing surface, and the avoidance hole is used for accommodating a diffusion plate bracket of the backlight module.

[0020] In some embodiments, the assembly jig further includes a light source component, and the light source component is arranged on the jig body and is used for generating light rays directed at the avoidance hole to indicate the position of the avoidance hole.

[0021] In some embodiments, the jig body includes an elastic buffer for bearing the reflective sheet.

[0022] In a second aspect, an embodiment of the present application further provides an assembly method, which is applied to the assembly jig as described in any one of the above, and the assembly method includes:

[0023] Position the reflective sheet through the first positioning component and place it on the jig body;

[0024] Position the light guide plate through the second positioning component and paste it on the reflective sheet carried by the jig body.

[0025] In some embodiments, the reflector has an adhesive surface for bonding with the lamp board. Positioning the reflector to the fixture body through the first positioning member includes:

[0026] Obtain the incoming material of the reflector, which includes the reflector and the release paper adhered to the adhesive surface;

[0027] Position the incoming material of the reflector through the first positioning member to place it on the fixture body, so that the surface of the reflector facing away from the release paper is carried on the fixture body;

[0028] Peel the release paper of the incoming material of the reflector carried by the fixture body from the adhesive surface.

[0029] In some embodiments, before positioning the lamp board through the second positioning member and pasting it to the reflector carried by the fixture body, it includes:

[0030] Pass the diffusion plate bracket through the reflector carried by the fixture body.

[0031] In some embodiments, positioning the lamp board through the second positioning member and pasting it to the reflector carried by the fixture body includes:

[0032] Position the lamp board through the second positioning member and paste it to the reflector carried by the fixture body, so that one end of the diffusion plate bracket is clamped and fixed between the reflector and the lamp board.

[0033] Advantages of the embodiments of the present application:

[0034] In the embodiments of the present application, the reflector can be first positioned through the first positioning member to be placed on the fixture body, and then the lamp board can be positioned through the second positioning member and pasted to the reflector carried by the fixture body, so as to accurately bond the reflector and the lamp board. Description of the Drawings

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative efforts.

[0036] In order to more fully understand the present application and its beneficial effects, the following description will be made in conjunction with the drawings, where the same reference numerals represent the same parts in the following description.

[0037] Figure 1It is a schematic structural diagram of an assembly jig and a backlight module according to an embodiment of the present application.

[0038] Figure 2 It is Figure 1 a partial enlarged view of the X position of

[0039] Figure 3 It is Figure 1 a schematic structural diagram showing the backlight module carried by the assembly jig.

[0040] Figure 4 It is Figure 3 a partial cross-sectional view along the A-A direction.

[0041] Figure 5 It is Figure 3 a partial cross-sectional view along the B-B direction.

[0042] Figure 6 It is Figure 3 a partial cross-sectional view of another structure along the B-B direction.

[0043] Figure 7 It is a flowchart of an assembly method according to an embodiment of the present application.

[0044] Figure 8 It is a flowchart of another assembly direction according to an embodiment of the present application.

[0045] Explanation of reference numerals:

[0046] 100, assembly jig;

[0047] 11, jig body; 111, bearing surface; 112, avoidance hole; 113, mounting hole; 12, first positioning member; 13, second positioning member; 14, light source assembly; 15, elastic buffer member;

[0048] 200, backlight module;

[0049] 21, lamp board; 22, reflector; 23, diffusion plate bracket. Detailed implementation manners

[0050] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0051] In the embodiments of the present application, it should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0052] Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0053] In the description of the embodiments of the present application, words such as "example" or "for example" are used to represent examples, explanations or descriptions. Any embodiment or design described as "for example" or "example" in the embodiments of the present application is not construed as being more preferred or having more advantages than another embodiment or design. The use of words such as "example" or "for example" is intended to present relative concepts in a clear manner.

[0054] The embodiments of the present application provide an assembly jig and an assembly method for a backlight module to facilitate the assembly of a reflective sheet and a lamp board.

[0055] Please refer to Figure 1 and Figure 2 , the backlight module 200 includes a lamp board 21 and a reflective sheet 22 that are adhesively bonded to each other.

[0056] The assembly jig 100 includes a jig body 11, a first positioning member 12 and a second positioning member 13. The jig body 11 is used to carry the reflective sheet 22. The first positioning member 12 is disposed on the jig body 11, and the first positioning member 12 is used to position the reflective sheet 22. The second positioning member 13 is disposed on the jig body 11, and the second positioning member 13 is used to position the lamp board 21 when the lamp board 21 is bonded to the reflective sheet 22 carried by the jig body 11.

[0057] In the embodiments of the present application, the reflective sheet 22 can be first positioned by the first positioning member 12 and placed on the jig body 11, and then the lamp board 21 can be positioned by the second positioning member 13 and pasted to the reflective sheet 22 carried by the jig body 11, so as to accurately fit the reflective sheet 22 and the lamp board 21, thereby improving the display effect of the display device.

[0058] Moreover, since the fixture body 11 is used to carry the reflective sheet 22 and the reflective sheet 22 is positioned by the first positioning member 12, the reflective sheet 22 can be placed flat on the fixture body 11. Therefore, the situation where the reflective sheet 22 wrinkles on the surface of the lamp board 21 when the reflective sheet 22 is manually pasted onto the lamp board 21 can be avoided. Furthermore, the pasting of the reflective sheet 22 not only has the advantages of easy operation and high operation efficiency, but also can improve the fitting quality of the reflective sheet 22 to enhance the display effect of the display device.

[0059] The above is an overall introduction to the technical solutions implemented in this application. Next, the technical solutions of the embodiments of this application will be further introduced in combination with the first positioning member 12.

[0060] Please continue to refer to Figure 3 and Figure 4 , in some embodiments, the first positioning member 12 includes a positioning pin, and the positioning pin is used to pass through the first positioning hole on the reflective sheet 22 to position the reflective sheet 22.

[0061] Furthermore, after the positioning pin passes through the first positioning hole of the reflective sheet 22, the positioning of the reflective sheet 22 can be achieved, and the reflective sheet 22 carried on the fixture body 11 will not be lifted by the first positioning member 12 to cause a situation of local protrusion. Thus, the reflective sheet 22 can be more flatly attached to the lamp board 21.

[0062] In some embodiments, the positioning pin includes an elastic telescopic member, and the elastic telescopic member is telescopically arranged on the fixture body 11. Furthermore, during the assembly process of the backlight module 200, the elastic telescopic member can deform adaptively to avoid damage to the reflective sheet 22 and / or the lamp board 21 of the backlight module 200 after collision with the positioning pin.

[0063] It should be noted that in the embodiments of this application, the "and / or" describes the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / ", unless otherwise specified, generally represents an "or" relationship between the front and back associated objects.

[0064] That is to say, during the assembly process of the backlight module 200, the elastic telescopic member can deform adaptively to only avoid damage to the reflective sheet 22 after collision with the elastic telescopic member, or only avoid damage to the reflective sheet 22 after collision with the lamp board 21, or also avoid damage to both the reflective sheet 22 and the lamp board 21 of the backlight module 200 after collision with the elastic telescopic member. The embodiments of this application do not make any limitations in this regard.

[0065] In some embodiments, the fixture body 11 includes a bearing surface 111 for bearing the reflector sheet 22. The elastic telescopic member protrudes from the bearing surface 111 in a telescopic manner.

[0066] Then, during the process of placing the reflector sheet 22 on the bearing surface 111, when the first positioning hole of the reflector sheet 22 is not aligned with the elastic telescopic member, the elastic telescopic member can be squeezed by the reflector sheet 22 and retracted into the fixture body 11; when the first positioning hole of the reflector sheet 22 is aligned with the elastic telescopic member, the elastic telescopic member rebounds and passes through the corresponding first positioning hole on the reflector sheet 22.

[0067] In some embodiments, the height by which the elastic telescopic member protrudes from the bearing surface 111 in the extended state is greater than the thickness of the reflector sheet 22. Or, it can also be understood that the height by which the elastic telescopic member protrudes from the bearing surface 111 without external force is greater than the thickness of the reflector sheet 22.

[0068] Thus, the end of the elastic telescopic member away from the fixture body 11 can pass through the first positioning hole on the reflector sheet 22 to improve the fixing effect of the elastic telescopic member on the reflector sheet 22.

[0069] In some embodiments, the lamp board 21 may be provided with a second positioning hole corresponding to the elastic telescopic member, so that the elastic telescopic member can also be reused for positioning the lamp board 21.

[0070] In some other embodiments, the lamp board 21 may not be provided with a second positioning hole corresponding to the elastic telescopic member. Then, when the lamp board 21 is pasted on the reflector sheet 22 carried by the fixture body 11, the end of the elastic telescopic member passing through the reflector sheet 22 can be pressed by the lamp board 21 and retracted into the fixture body 11 for avoidance, so as to avoid damage after the lamp board 21 collides with the elastic telescopic member.

[0071] The number of the first positioning members 12 can be one; the number of the first positioning members 12 can also be multiple, such as two, three, four, five or even ten. The embodiments of the present application do not limit this.

[0072] Then, when the number of the first positioning members 12 is multiple, multiple positions of the reflector sheet 22 can be positioned by the multiple first positioning members 12, so as to improve the position accuracy when the reflector sheet 22 is placed on the fixture body 11.

[0073] In some embodiments, the number of the first positioning members 12 is at least four, so that each corner of the outer periphery of the reflector sheet 22 can be positioned by at least one first positioning member 12.

[0074] For example, the reflector 22 can be a rectangular sheet structure. In this case, first positioning holes can be provided at the four corners of the reflector 22 to respectively match and position with different first positioning components 12. Thus, by accurately positioning the four corners of the reflector 22, it can be ensured that the entire reflector 22 is accurately carried on the appropriate position of the fixture body 11, and then it can be convenient for the subsequent lamp board 21 to be accurately bonded and fixed to the reflector 22.

[0075] In some embodiments, the number of the first positioning components 12 is at least four, and all the first positioning components 12 are respectively arranged at different corners of the fixture body 11.

[0076] Then, compared with arranging more first positioning components 12 in the middle of the fixture body 11, the embodiments of the present application can not only ensure the accurate positioning of the reflector 22, but also reduce the required number of the first positioning components 12.

[0077] It can be understood that when the number of the first positioning components 12 is reduced, on the one hand, the manufacturing cost of the assembly fixture 100 can be reduced; on the other hand, it can be avoided that the reflector 22 is difficult to be placed on the fixture body 11 due to too many first positioning components 12; on the other hand, it can also make it unnecessary to provide too many first positioning holes on the reflector 22, and finally the reflector 22 can cover a larger area of the light-emitting side of the lamp board 21 to increase the light output of the backlight module 200.

[0078] In some embodiments, the elastic telescopic member can include a ball screw. The fixture body 11 is provided with an installation hole 113 with an opening on the bearing surface 111, and the ball screw is screwed into the installation hole 113 so that one end of the ball screw protrudes from the bearing surface 111.

[0079] The above is some introduction to the first positioning component 12 in the embodiments of the present application. Next, the technical solutions of the embodiments of the present application will be further introduced in combination with the second positioning component 13.

[0080] Please continue to refer to Figure 5 , in some embodiments, the second positioning component 13 extends along the outer peripheral edge of the fixture body 11, and the second positioning component 13 protrudes from the side surface of the fixture body 11 for carrying the reflector 22 (i.e., the above-mentioned bearing surface 111) for cooperative positioning with the outer peripheral side surface of the lamp board 21.

[0081] Thus, when the reflector 22 is carried on the fixture body 11 and the lamp board 21 is bonded to the reflector 22, the second positioning component 13 abuts against the outer peripheral side edge of the lamp board 21 to realize the positioning of the lamp board 21.

[0082] Exemplarily, the second positioning member 13 extends along the outer peripheral edge of the jig body 11 to define a fitting space for accommodating at least a part of the reflective sheet 22 and at least a part of the lamp board 21.

[0083] Correspondingly, the first positioning member 12 can be at least partially located in the fitting space.

[0084] The number of the second positioning members 13 can be one; the number of the second positioning members 13 can also be multiple, such as two, three, four, five or even ten. The embodiments of the present application do not limit this.

[0085] In some embodiments, the number of the second positioning members 13 is multiple, and the multiple second positioning members 13 are arranged at intervals along the outer peripheral edge of the jig body 11.

[0086] It can be understood that if the second positioning member 13 is a closed ring structure surrounding the jig body 11 for one week, on the one hand, it will cause an increase in the manufacturing cost of the assembly jig 100, and on the other hand, it will also cause a problem of over-positioning due to the too large positioning contact area between the second positioning member 13 and the lamp board 21. Eventually, it will lead to an increase in the difficulty of placing the lamp board 21 inside the inner peripheral side of the second positioning member 13, and it is easy to be unable to be placed inside the inner peripheral side of the second positioning member 13 when there are certain manufacturing tolerances on the peripheral edge of the lamp board 21.

[0087] In some embodiments, the number of the second positioning members 13 is multiple, and the second positioning members 13 are provided at the corners of the outer peripheral edge of the jig body 11.

[0088] For example, if the jig body 11 is a rectangular plate-like structure, then one second positioning member 13 can be provided at each of the four corners of the jig body 11, so as to realize the positioning of the four corners of the lamp board 21, and ensure that the lamp board 21 is accurately bonded and fixed to the reflective sheet 22.

[0089] The second fixing member and the jig body 11 can be integrally formed or separately formed. The embodiments of the present application do not limit this.

[0090] Certainly, in some other embodiments, the second positioning member 13 can also include positioning posts, and the positioning posts are used to penetrate the lamp board 21 to position the lamp board 21. The embodiments of the present application do not limit this.

[0091] The above is some introduction to the first positioning member 12 in the embodiments of the present application. Next, the technical solutions of the embodiments of the present application will be further introduced in combination with the jig body 11.

[0092] The fixture body 11 may include a bearing surface 111, and the bearing surface 111 is used to bear the reflective sheet 22. The fixture body 11 also includes an avoidance hole 112, the opening of which is opened on the bearing surface 111, and the avoidance hole 112 is used to accommodate the diffuser plate bracket 23 of the backlight module 200. Therefore, after the reflective sheet 22 is carried on the bearing surface 111 of the fixture body 11, one end of the diffuser plate bracket 23 can be passed through the reflective sheet 22 and accommodated in the avoidance hole 112 to achieve the assembly of the diffuser plate bracket 23 and the reflective sheet 22.

[0093] It is understandable that the diffuser plate bracket 23 can be pre-welded and fixed to the lamp board 21 , so that when the lamp board 21 is attached to the reflector sheet 22 , the lamp board 21 drives the diffuser plate bracket 23 to penetrate the reflector sheet 22 .

[0094] Alternatively, the diffuser plate bracket 23 may be first inserted into the reflector sheet 22 and then the light board 21 may be attached to the reflector sheet 22 so that one end of the diffuser plate bracket 23 is clamped between the reflector sheet 22 and the light board 21 for fixation. This embodiment of the present application does not limit this.

[0095] Please continue to refer to Figure 6 In some embodiments, the assembly jig 100 further includes a light source component 14 , which is disposed on the jig body 11 , and is used to generate light directed toward the avoidance hole 112 to indicate the position of the avoidance hole 112 .

[0096] Then, it can be understood that the reflective sheet 22 is usually provided with a large number of holes for the diffuser bracket 23 and the lamp beads of the lamp board 21 to pass through. Therefore, after the reflective sheet 22 is carried on the fixture body 11, it is usually difficult for the operator to determine from which position of the reflective sheet 22 the diffuser bracket 23 should pass through the reflective sheet 22 for installation. In the embodiment of the present application, the position of the avoidance hole 112 is indicated by the light source assembly 14, which can facilitate the operator to quickly install the diffuser bracket 23 to the correct position, thereby improving the assembly efficiency of the diffuser bracket 23.

[0097] In some embodiments, the light source assembly 14 may include a plurality of light emitting units, and each avoidance hole 112 is disposed corresponding to at least one light emitting unit.

[0098] For example, the avoidance hole 112 may be a through hole penetrating the fixture body 11 , and the light emitting unit may be disposed on a side of the fixture body 11 away from the bearing surface 111 .

[0099] In some embodiments, the fixture body 11 includes an elastic buffer 15 , and the elastic buffer 15 is used to support the reflective sheet 22 .

[0100] It can be understood that after the reflector 22 is carried on the fixture body 11, during the process of bonding the lamp board 21 to the reflector 22, the lamp board 21 can be pressed to make the lamp board 21 bond more firmly to the reflector 22. During the process of pressing the lamp board 21, the elastic buffer 15 can deform adaptively to prevent the lamp board 21 and / or the reflector 22 from being damaged by pressing.

[0101] The elastic buffer 15 can include foam, elastic rubber, etc., and the embodiments of the present application do not limit this.

[0102] The above is some introduction to the assembly fixture 100 of the embodiments of the present application.

[0103] Please continue to refer to Figure 7 , the embodiments of the present application further provide an assembly method, and the assembly method is applied to the above-mentioned assembly fixture 100. The assembly method includes:

[0104] 101. Position the reflector 22 through the first positioning member 12 and place it on the fixture body 11.

[0105] 102. Position the lamp board 21 through the second positioning member 13 and paste it to the reflector 22 carried by the fixture body 11.

[0106] Therefore, the embodiments of the present application can accurately fit the reflector 22 and the lamp board 21, and further improve the display effect of the display device.

[0107] Moreover, since the fixture body 11 is used to carry the reflector 22 and the reflector 22 is positioned by the first positioning member 12, the reflector 22 can be placed flat on the fixture body 11. Therefore, it can avoid the situation that the reflector 22 wrinkles on the surface of the lamp board 21 when manually pasting the reflector 22 to the lamp board 21. Furthermore, the pasting of the reflector 22 not only has the advantages of easy operation and high operation efficiency, but also can improve the fitting quality of the reflector 22 to improve the display effect of the display device.

[0108] Please continue to refer to Figure 8 , according to the method described in the previous embodiments, the following will give further detailed examples. The assembly method can include:

[0109] 201. Position the reflector 22 through the first positioning member 12 and place it on the fixture body 11.

[0110] In some embodiments, the reflector 22 has an adhesive surface for fitting with the lamp board 21. Positioning the reflector 22 through the first positioning member 12 and placing it on the fixture body 11 includes:

[0111] Obtain the incoming material of the reflective sheet 22, where the incoming material of the reflective sheet 22 includes the reflective sheet 22 and the release paper adhered to the bonding surface; position the incoming material of the reflective sheet 22 through the first positioning member 12 and place it on the fixture body 11, so that the surface of the reflective sheet 22 facing away from the release paper is carried on the fixture body 11; peel off the release paper of the incoming material of the reflective sheet 22 carried by the fixture body 11 from the bonding surface.

[0112] 202. Pass the diffusion plate bracket 23 through the reflective sheet 22 carried by the fixture body 11.

[0113] 203. Position the lamp board 21 through the second positioning member 13 and paste it to the reflective sheet 22 carried by the fixture body 11, so that one end of the diffusion plate bracket 23 is clamped and fixed between the reflective sheet 22 and the lamp board 21.

[0114] It can be understood that in the embodiments of the present application, it is not necessary to pre-weld and fix the diffusion plate bracket 23 on the lamp board 21 in advance, so that the welding steps of welding the diffusion plate bracket 23 on the lamp board 21 and the corresponding welding costs can be reduced, and thus it is more suitable for the mass production of the backlight module 200.

[0115] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more, unless otherwise specifically defined.

[0116] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0117] In the embodiments, embodiments, and related technical features of the present application, they can be combined and replaced with each other without conflict.

[0118] The above are only the preferred embodiments of the present application and do not impose any form of limitation on the present application. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application still fall within the scope of the technical solution of the present application.

Claims

1. An assembly jig for a backlight module, the backlight module comprising a light board and a reflective sheet bonded to each other, characterized in that: The assembly jig comprises: A fixture body, the fixture body is used to carry the reflective sheet; A first positioning component, the first positioning component is disposed on the fixture body, and the first positioning component is used to position the reflective sheet; and, A second positioning component is provided on the fixture body, and is used for positioning the lamp board when the lamp board is bonded to the reflective sheet carried by the fixture body.

2. The assembly jig according to claim 1, characterized in that: The first positioning component includes a positioning pin, and the positioning pin is used to pass through a first positioning hole on the reflection sheet to position the reflection sheet.

3. The assembly jig according to claim 2, characterized in that: The fixture body comprises a bearing surface, and the bearing surface is used to bear the reflective sheet; The positioning pin comprises an elastic telescopic member, and the elastic telescopic member is telescopically protruded from the bearing surface.

4. The assembly jig according to claim 1, characterized in that: The number of the first positioning components is at least four, so that each corner of the outer periphery of the reflective sheet can be positioned by at least one of the first positioning components; and / or, The number of the first positioning components is at least four, and all of the first positioning components are respectively arranged at different corners of the fixture body.

5. The assembly jig according to claim 1, characterized in that: The second positioning component is extended along the outer periphery of the fixture body, and the second positioning component protrudes from a side surface of the fixture body for supporting the reflector sheet, so as to be matched and positioned with the outer peripheral side surface of the light board.

6. The assembly jig according to claim 5, characterized in that: There are multiple second positioning components, and the multiple second positioning components are arranged at intervals along the outer periphery of the fixture body; and / or, There are multiple second positioning components, and the second positioning components are arranged at the corners of the outer periphery of the fixture body.

7. The assembly jig according to claim 5, characterized in that: The second positioning component is extended along the outer periphery of the fixture body to define a fitting space, and the fitting space is used to accommodate at least a part of the reflector and at least a part of the light board. The first positioning component is at least partially located in the fitting space.

8. The assembly jig according to claim 1, characterized in that: The fixture body comprises a bearing surface, and the bearing surface is used to bear the reflective sheet; The fixture body further comprises a avoidance hole, the opening of which is opened on the bearing surface, and the avoidance hole is used to accommodate a diffusion plate bracket of the backlight module.

9. The assembly jig according to claim 8, characterized in that: The assembly jig further comprises a light source component, which is disposed on the jig body and is used to generate light directed toward the avoidance hole to indicate the position of the avoidance hole.

10. The assembly jig according to any one of claims 1 to 9, characterized in that: The fixture body includes an elastic buffer component, and the elastic buffer component is used to support the reflective sheet.

11. An assembly method, characterized in that: Applied to the assembly jig according to any one of claims 1 to 10, the assembly method comprises: Positioning the reflective sheet by the first positioning component so as to place it on the fixture body; The light board is positioned by the second positioning component and adhered to the reflective sheet carried by the fixture body.

12. The assembly method according to claim 11, characterized in that: The reflective sheet has an adhesive surface for bonding with the light board, and the reflective sheet is positioned by the first positioning component to be placed on the fixture body, including: Obtaining an incoming reflective sheet material, wherein the incoming reflective sheet material comprises the reflective sheet and a release paper bonded to the bonding surface; Positioning the incoming reflective sheet through the first positioning component to place it on the jig body, so that a surface of the reflective sheet facing away from the release paper is supported on the jig body; The release paper of the reflective sheet material carried by the fixture body is peeled off from the adhesive surface.

13. The assembly method according to claim 11 or 12, characterized in that: Before positioning the light board by the second positioning component and pasting the light board to the reflective sheet carried by the fixture body, the method includes: The diffuser plate bracket passes through the reflector sheet carried by the fixture body.

14. The assembly method according to claim 13, characterized in that: The method of positioning the light board by the second positioning component and pasting the light board to the reflective sheet carried by the fixture body comprises: The lamp board is positioned by the second positioning component and adhered to the reflective sheet carried by the fixture body, so that one end of the diffuser plate bracket is clamped and fixed between the reflective sheet and the lamp board.

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